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package listener;

import service.CategoryService;
import service.ProductService;
import service.OrderService;
//import service.UserService;


import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;
import javax.servlet.annotation.WebListener;
import javax.servlet.http.*;

@WebListener()
public class ApplicationListener implements ServletContextListener, HttpSessionListener, HttpSessionAttributeListener {
    CategoryService tsService=new CategoryService();
    ProductService prService=new ProductService();
//    UserService usService=new UserService();
    OrderService orService=new OrderService();
    // Public constructor is required by servlet spec
    public ApplicationListener() {
    }

    // -------------------------------------------------------
    // ServletContextListener implementation
    // -------------------------------------------------------
    public void contextInitialized(ServletContextEvent sce) {
      /* This method is called when the servlet context is
         initialized(when the Web application is deployed).
         You can initialize servlet context related data here.
      */

//        HttpSession session = request.getSession();
//        User user = (User) session.getAttribute("user");
//        int userId = user.getId();
        sce.getServletContext().setAttribute("categoryList",tsService.GetAllType());
        sce.getServletContext().setAttribute("goodsList",prService.GetAllOnSaleProduct());
//        sce.getServletContext().setAttribute("userList",usService.GetAllUser());
        sce.getServletContext().setAttribute("orderList",orService.GetAllOrder());
    }

    public void contextDestroyed(ServletContextEvent sce) {
      /* This method is invoked when the Servlet Context
         (the Web application) is undeployed or
         Application Server shuts down.
      */
    }

    // -------------------------------------------------------
    // HttpSessionListener implementation
    // -------------------------------------------------------
    public void sessionCreated(HttpSessionEvent se) {
        /* Session is created. */
    }

    public void sessionDestroyed(HttpSessionEvent se) {
        /* Session is destroyed. */
    }

    // -------------------------------------------------------
    // HttpSessionAttributeListener implementation
    // -------------------------------------------------------

    public void attributeAdded(HttpSessionBindingEvent sbe) {
      /* This method is called when an attribute
         is added to a session.
      */
    }

    public void attributeRemoved(HttpSessionBindingEvent sbe) {
      /* This method is called when an attribute
         is removed from a session.
      */
    }

    public void attributeReplaced(HttpSessionBindingEvent sbe) {
      /* This method is invoked when an attibute
         is replaced in a session.
      */
    }
}

=======
//package listener;
//
//import service.CategoryService;
//import service.ProductService;
////import service.GoodsService;
////import service.OrderService;
////import service.UserService;
//
//
//import javax.servlet.ServletContextEvent;
//import javax.servlet.ServletContextListener;
//import javax.servlet.annotation.WebListener;
//import javax.servlet.http.HttpSessionAttributeListener;
//import javax.servlet.http.HttpSessionEvent;
//import javax.servlet.http.HttpSessionListener;
//import javax.servlet.http.HttpSessionBindingEvent;
//
//@WebListener()
//public class ApplicationListener implements ServletContextListener, HttpSessionListener, HttpSessionAttributeListener {
//    CategoryService tsService=new CategoryService();
//    ProductService prService=new ProductService();
////    UserService usService=new UserService();
////    OrderService orService=new OrderService();
//    // Public constructor is required by servlet spec
//    public ApplicationListener() {
//    }
//
//    // -------------------------------------------------------
//    // ServletContextListener implementation
//    // -------------------------------------------------------
//    public void contextInitialized(ServletContextEvent sce) {
//      /* This method is called when the servlet context is
//         initialized(when the Web application is deployed).
//         You can initialize servlet context related data here.
//      */
//
////        HttpSession session = request.getSession();
////        User user = (User) session.getAttribute("user");
////        int userId = user.getId();
//        sce.getServletContext().setAttribute("categoryList",tsService.GetAllType());
//        sce.getServletContext().setAttribute("goodsList",prService.GetAllOnSaleProduct());
////        sce.getServletContext().setAttribute("userList",usService.GetAllUser());
////        sce.getServletContext().setAttribute("orderList",orService.GetAllOrder());
//    }
//
//    public void contextDestroyed(ServletContextEvent sce) {
//      /* This method is invoked when the Servlet Context
//         (the Web application) is undeployed or
//         Application Server shuts down.
//      */
//    }
//
//    // -------------------------------------------------------
//    // HttpSessionListener implementation
//    // -------------------------------------------------------
//    public void sessionCreated(HttpSessionEvent se) {
//        /* Session is created. */
//    }
//
//    public void sessionDestroyed(HttpSessionEvent se) {
//        /* Session is destroyed. */
//    }
//
//    // -------------------------------------------------------
//    // HttpSessionAttributeListener implementation
//    // -------------------------------------------------------
//
//    public void attributeAdded(HttpSessionBindingEvent sbe) {
//      /* This method is called when an attribute
//         is added to a session.
//      */
//    }
//
//    public void attributeRemoved(HttpSessionBindingEvent sbe) {
//      /* This method is called when an attribute
//         is removed from a session.
//      */
//    }
//
//    public void attributeReplaced(HttpSessionBindingEvent sbe) {
//      /* This method is invoked when an attibute
//         is replaced in a session.
//      */
//    }
//}
//
>>>>>>> ee0b6b161ed2078eeb9f4935dbd811bf2aa6e3cb
